Petri Dish

Two species, one dish. Rules in, behaviour out.

Population

Prey0

Predators0

Controls

Simulation speed, 0.25× to 4×.

Population chart

  • Prey — left axis 0
  • Predators — right axis 0

Two lines over the last 60 seconds of simulation time. The chart freezes while paused.

Keyboard

  • Space pause / resume
  • P add prey · D add predators
  • R reset the dish
  • ← → change speed

Motion is reduced: the simulation runs at half speed and the chart redraws twice a second.